CCTV News:Yesterday (March 17th), the Ministry of Ecology and Environment started the investigation of sewage outlets in the middle and lower reaches of the Yellow River and some branches flowing into the river, involving 31 cities in Shanxi, Shandong, Henan, Shaanxi and Gansu provinces. This investigation will comprehensively and thoroughly investigate and sort out the "risk points" of sewage discharge into the Yellow River basin, so as to achieve "all investigations should be made" and "all mouths should be investigated" and realize "one account" and "one map" of sewage discharge into the river.
According to the relevant person in charge of the Ministry of Ecology and Environment, the Ministry of Ecology and Environment dispatched nearly 300 relevant personnel from all over the country to form 97 working groups to conduct on-site investigations.
Shi Qingmin, Deputy Director of the Law Enforcement Bureau of the Ministry of Ecology and Environment:In the process of investigation, we require that all the openings that are being discharged, or have signs or are likely to discharge pollutants into rivers, lakes and reservoirs, wetlands, gullies, pits and ponds should be included in the scope of investigation, and a list should be registered and established.
Entering the first bay of Shaanxi in the Yellow River — — In Fugu County, Yulin, Shaanxi Province, the inspectors used drones to initially lock the approximate location of the discharge port into the river and then walked along the main stream of the Yellow River for investigation. After arriving at the scene, the investigators found that because of the drought in winter, the vicinity of the discharge port had dried up and there were traces of water flow. The investigators decided to trace the source and find the source.
In the culvert upstream of the discharge outlet, the inspector found the rainwater pipe network in a waterless state. According to the workflow, the inspector took photos on the spot and registered the information.
In addition to the main stream of the Yellow River, it is also within the key scope of this investigation to extend 1 km to the land based on the coastline on both sides of the main stream.
At the scene of the ostentation and extravagance, the reporter saw that high-tech equipment such as drones, ground penetrating radars, all-terrain robots and fluorescent tracers went into battle together, making some sewage outlets hidden under water, bridges and culverts invisible.
Shi Qingmin, Deputy Director of the Law Enforcement Bureau of the Ministry of Ecology and Environment:This time, based on the previous inspection and accurate positioning of the shoreline by unmanned aerial vehicles, sampling and 360-degree scanning and positioning of underwater vehicle sonar, new all-terrain technical detection and water quality fluorescence traceability technology were enabled, which further improved the accuracy and efficiency of our inspection.
It is the key to find out the base of sewage outlet and trace it back to the source
According to the relevant person in charge of the Ministry of Ecology and Environment, on-site investigation is only the first step in the investigation and rectification of sewage outlets. After the number of sewage outlets is clear, it will be handed over to various places. The local government is the main body responsible for the investigation and rectification of sewage outlets entering the river, and the sewage outlets will be monitored, traced and rectified.
In March 2021, the Ministry of Ecology and Environment started the investigation and rectification of sewage outlets in the middle and upper reaches of the Yellow River Basin. After two years of investigation, the Ministry of Ecology and Environment basically found out the number of sewage outlets in the middle and upper reaches of the Yellow River, and found 17,399 sewage outlets of various types into the river. A large number of chronic environmental problems have been rectified.
Shi Qingmin, Deputy Director of the Law Enforcement Bureau of the Ministry of Ecology and Environment:Through source control, pollution interception, clean-up and merger, collection and transshipment, more than 1,500 pollution problems have been rectified. With the joint efforts of many parties, the ecological environment quality of the Yellow River Basin has been obviously improved. For the first time in the mainstream of the Yellow River, the whole region has reached the water quality standard of Class II water.
This year, the Ministry of Ecology and Environment plans to complete the investigation of the middle and lower reaches of the Yellow River and some tributaries, and complete 80% traceability and 30% remediation tasks.